Robin America EH63, Service Manual

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(1) Push speed control lever all the way to the high
speed position and fix it by tightening nut.
(2) Check that governor lever is pulled by governor
spring and carburetor throttle valve is fully open.
(3) Turn governor shaft counterclockwise all the
way and tighten lock bolt to secure the lever on
the shaft.
27) BLOWER HOUSING
Attach blower housing to crankcase with control
box commonly fixed.
Connect fuel pipes onto blower housing.
BLOWER HOUSING(Front)
M6 x 14 Flange bolt : 4 pcs.
BLOWER HOUSING(Side)
M6 x 18 Flange bolt : 2 pcs.
M6 x 14 Flange bolt : 2 pcs.
GOVERNOR LEVER
GOVERNOR SHAFT
Tightening torque
2.9 - 4.9 N ・ m
(30 - 50 kgf ・ cm)
(2.2 - 3.6 ft ・ lb.)
Tightening torque
3.9 - 5.9 N ・ m
(40 - 60 kgf ・ cm)
(2.9 - 4.3 ft ・ lb.)
26) ADJUST GOVERNOR SYSTEM
●
Governor system is centrifugal flyweight type.
Governor weight is installed into governor gear
driven by crankshaft.
Governor weight movement is transferred to
carburetor throttle lever via governor shaft and
lever.
●
Engine speed is maintained at the constant speed
by carburetor throttle valve opening and closing
operation in accordance with load condition of
engine.